On December 1, Jilin University,Center for Quantitative Economics hosted a welcome ceremony for its newly appointed Deputy Director at the fourth conference room of Kuang Yaming Building, officially welcoming Han Dan' ao. The event was attended by Professor Sun Wei (Director of the Center), Deputy Directors Professor Deng Chuang, Professor Fang Yi, and Professor Wang Linhui, Office Director Xie Jixin, and editor Zhang Jiaqi of  The Journal of Quantitative Economics.